Insider Transactions and Holdings
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Entity Type
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Individual
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Role
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Director
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Issuer Symbol
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GWH, GWH-WT on NYSE
There are no Buy or Sell transactions made by MICHAEL R. NIGGLI since 12 Mar 2025
Holdings reported by MICHAEL R. NIGGLI for ESS Tech, Inc.
| Security |
Num Shares |
Value |
Price $ |
Transaction Date |
Ownership |
Underlying Class |
Underlying Amount |
| Common Stock |
90,825 |
$116,256 |
$1.28 |
13 Oct 2025 |
Direct |
|
|
Transactions reported by MICHAEL R. NIGGLI for ESS Tech, Inc.
| Sym |
Class |
Transaction |
% |
Value $ |
* Price $ |
Shares |
Shares After |
Date |
Ownership |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.